CVE-2021-32558

Katalog CVE

CVSS 7.5 · High EPSS 9,2%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada digium asterisk, digium certified asterisk +1 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.

Rincian

Terbit di NVD

30 Juli 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

EPSS (30 hari)

9,2% peluang dieksploitasi; lebih tinggi dari 95,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://downloads.asterisk.org/pub/security/AST-2021-008.html patch · advisory vendor
• https://issues.asterisk.org/jira/browse/ASTERISK-29392 exploit · issue tracking · patch · advisory vendor
• http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html patch · advisory pihak ketiga · vdb entry
• http://seclists.org/fulldisclosure/2021/Jul/49 mailing list · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4999 advisory pihak ketiga